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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (8P75PH Automatic Transmission - DTCS P2881-00 To U0405-00) >> DTC Troubleshooting >> U0287-00 Lost Communication With Transmission Fluid Pump Module 1 >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
OPEN B+ FUSE
OPEN B+ CIRCUIT
OPEN GROUND CIRCUIT
TRANSMISSION CONTROL MODULE (TCM) SOFTWARE
INTEGRATED ELECTRIC OIL PUMP (IEP)
TRANSMISSION CONTROL MODULE (TCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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